"La Guna Verde". Operated by Comision Federal de Electricidad. Built as L-188A, cvt'd to L-188A(PF) freighter. First flight was May 7, 1959. Other serials - XC-GIA and XC-CFE with Banco de Mexico, N6114A with American Airlines as "Flagship Rochester" - May 1959 thru June 1970, and McCulloch International - May 1972 thru August 1972, and also S9-NAH with Transafrik - delivered in November 1987. This is the only time I have seen this aircraft!